catalyse

Verb

change by catalysis or cause to catalyze
(chiefly British spelling) Alternative spelling of catalyze.

Synonyms

Scrabble Score: 13

catalyse is a valid Scrabble (US) TWL word
catalyse is a valid Scrabble Word in Merriam-Webster MW Dictionary
catalyse is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 14

catalyse is a valid Words With Friends word